<?php

$confereNomeUsuario = filter_input(INPUT_POST, 'nome', FILTER_SANITIZE_SPECIAL_CHARS);
$confereEmail = filter_input(INPUT_POST, 'email', FILTER_SANITIZE_SPECIAL_CHARS);
$confereConteudo = filter_input(INPUT_POST, 'comentario', FILTER_SANITIZE_SPECIAL_CHARS);